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Knock Knock 2015

2 Nude Scenes (3 Minutes)

A devoted father helps two stranded young women who knock on his door, but his kind gesture turns into a dangerous seduction and a deadly game of cat and mouse.-IMDB

IMDB.com

Exposure

3 Minutes of Nudity
Breasts
Butt
Timestamp may vary from version to version (theatrical, directors cut, streaming, etc...).